rubygb.gemspec in rubygb-0.2.1 vs rubygb.gemspec in rubygb-0.2.2

@@ -17,9 +17,9 @@
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
   gem.required_ruby_version = "~> 2.0"
   gem.add_development_dependency "rake"
-  gem.add_development_dependency "pry-byebug"
+  gem.add_development_dependency "pry-byebug", "~> 3"
 
   gem.add_runtime_dependency "thor", "~> 0.19"
 end